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National Stock Number:
4820-01-180-6742
Federal Supply Class:
4820
National Item Identification Number:
011806742
Description:
SEAT,VALVE
Detail:
A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.
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Manufacturer Information:
| 20211PC4 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | | B7599.001.127 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.500 INCHES NOMINAL | | CRITICALITY CODE JUSTIFICATION | ZZZY | | FLANGE DIAMETER | 1.188 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.250 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD SIZE | 1.125 INCHES SINGLE THREADED PORTION | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 60.000 NOMINAL | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.406 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 18 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.656 INCHES NOMINAL |
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